Investment Casting Development Prospect: Investment casting refers to making fusible model with fusible materials, coating several layers of special refractory coating on it, drying and hardening to form an integral shell, then melting the model from the shell with steam or hot water, then placing the shell in the sand box, filling the dry sand around it, finally putting the mold into the baking furnace for high temperature baking, and then casting or shell through high temperature baking After roasting, the casting is obtained by pouring molten metal in it.
The products obtained by investment casting are precise and complex, close to the final shape of the parts, which can be directly used without processing or with little processing. It is an advanced technology of near net shape formation, an excellent technology in the casting industry, and its application is very extensive. It is not only suitable for the casting of various types and alloys, but also produces castings with higher dimensional accuracy and surface quality than other casting methods. Even the complicated, high temperature resistant and difficult to process castings that are difficult to be cast by other casting methods can be cast by investment casting.
At present, the investment casting process in the world develops rapidly and is widely used. From the current situation, the future development trend of this process is that the casting products are more and more close to the parts and components. The traditional precision casting is only used as the blank, which is not suitable for the rapid market strain. The complexity and quality level of parts and components are getting higher and higher, the R & D means are getting stronger and stronger, and the specialized cooperation is beginning to appear. The application of CAD, cam and CAE has become the main technology of parts and Investment Casting Development Prospect.
From the analysis of current development, investment casting technology is widely used, and its future development prospects are quite broad.
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